Home / 19,426.90-29,144.16-7,741.30

Finding the Fourth Proportional to 19,426.90, 29,144.16 and 7,741.30

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Solution

The fourth proportional to 19,426.90, 29,144.16 and 7,741.30 is: 11,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.90 : 29,144.16 = 7,741.30 : x
  2. Step 2: Convert to fraction form
    19,426.90/29,144.16 = 7,741.30/x
  3. Step 3: Cross multiply
    19,426.90x = 29,144.16 × 7,741.30
  4. Step 4: Simplify right side
    19,426.90x = 225,613,685.81
  5. Step 5: Solve for x
    x = 225,613,685.81/19,426.90
  6. Step 6: Final answer
    x = 11,613.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.